Ok the pilot adjustment is on the bottom near the red arrow, and the air/idle mixture adjustment is under cap at the blue arrow I think. Which one am I going to turn out to lessen the amount of back firing I am getting. 
Life need a little Triumph!
2008 Triumph Speedmaster, Single baffle drag pipes, lots of black powder coatin,K&N pods, AI removed, TBS needles and a procom cdi.
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